Realme C21 vs Lenovo Vibe K4 Note comparison

Compare Realme C21
Compare Lenovo Vibe K4 Note
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.50-inch5.50-inch
ProcessorMediaTek Helio G35MediaTek MT6753
Front Camera5-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 13-megapixel
RAM3GB3GB
Storage32GB16GB
Battery Capacity5000mAh3300mAh
OSAndroid 10Android 5.1
Resolution720x1600 pixels1080x1920 pixels
general
BrandRealmeLenovo
ModelC21Vibe K4 Note
Release dateApril 8, 2021January 1, 2016
Launched in IndiaYes-
Dimensions (mm)165.20 x 76.40 x 8.90153.60 x 76.50 x 9.20
Weight (g)190.00158.00
Battery capacity (mAh)50003300
ColoursCross Black, Cross BlueBlack, White
Form factor-Touchscreen
Removable battery-No
SAR value-0.84
display
Screen size (inches)6.505.50
TouchscreenYesYes
Resolution720x1600 pixels1080x1920 pixels
Pixels per inch (PPI)-401
hardware
Processorocta-core1.3GHz octa-core
Processor makeMediaTek Helio G35MediaTek MT6753
RAM3GB3GB
Internal storage32GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)13-megapixel
No. of Rear Cameras3-
Front camera5-megapixel (f/2.2)5-megapixel
No. of Front Cameras1-
Rear flash-Dual LED
software
Operating systemAndroid 10Android 5.1
SkinRealme UIVibe UI
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.00
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
NFC-Yes
Infrared-No
USB OTG-Yes
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes
Barometer-No
Temperature sensor-No

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